<template>
    <div :class="[ keyboard == false ? 'center' : '' ]">
        <div v-if="keyboard == false">
            <div v-if="have_internet">
                <p v-html="$t('wifi-select.already_connected_question')"></p>
                <div class="empty-action">
                    <button class="btn" @click="have_internet = false; enter_creds = true">{{ $t("wifi-select.no_btn") }}</button> &nbsp;
                    <button class="btn" :class="[ connecting ? 'loading' : '', success ? 'btn-success' : 'btn-primary', ]" @click="$router.push({ name: 'generate-ap' })">{{ $t("wifi-select.yes_btn") }}</button>
                </div>
            </div>
            <div v-if="!have_internet && !enter_creds">
                <p><strong>{{ $t("wifi-select.not_connected") }}</strong><br />{{ $t("wifi-select.please_config") }}</p>
                <div class="empty-action">
                <button class="btn" v-on:click="force_ap()">{{ $t("wifi-select.no_internet") }}</button>  <button class="btn btn-primary" @click="enter_creds = true">{{ $t("wifi-select.lets_do_btn") }}</button>
                </div>
            </div>
            <div v-if="!have_internet && enter_creds" class="wifi-login">
                <div class="form-group">
                    <select class="form-select" id="ssid-select" v-model="ssid">
                        <option value="" selected>{{ $t("wifi-select.wifi_name") }}</option>
                        <option v-for="ssid in ssids" v-bind:key="ssid.ssid">
                            {{ ssid.ssid }}
                        </option>
                    </select>
                </div>
                <div class="form-group">
                    <input class="form-input" type="password" id="password" v-model="password" :placeholder="$t('wifi-select.wifi_password')" v-on:click="keyboard = (virtual_keyboard)? true : false">
                </div>
                <div class="form-group">
                    <button class="btn width-100" :class="[ connecting ? 'loading' : '', success ? 'btn-success' : 'btn-primary', ]" v-on:click="wifi_setup()">{{ btnval }}</button>
                </div>
                <div class="form-group">
                    <button class="btn width-100" :class="[ refreshing ? 'loading' : '' ]" v-on:click="refresh_wifi_list()">{{ $t("wifi-select.refresh_btn") }}</button>
                </div>
            </div>
        </div>
        <div v-else>
            <input :value="input" class="keyboardinput" @input="onInputChange" :placeholder="$t('wifi-select.tap_keyboard')">
            <SimpleKeyboard @onChange="onChange" @onKeyPress="onKeyPress" :input="input" />
        </div>
    </div>
</template>

<style>
#app {
    overflow-y: hidden;
}   
</style>

<script>
import axios from 'axios'
import router from '../router'
import SimpleKeyboard from "./SimpleKeyboard";

export default {
    name: 'wifi-select',
    components: {
        SimpleKeyboard
    },
    data() {
        return {
            connecting: false,
            error: false,
            success: false,
            btnval: this.$t("wifi-select.connect_to_it"),
            ssid: "",
            selected_ssid: false,
            password: "",
            keyboard: false,
            input: "",
            ssids: [],
            virtual_keyboard: window.config.virtual_keyboard,
            have_internet: false,
            enter_creds: false,
            refreshing: false
        }
    },
    props: {
        saved_ssid: String,
        list_ssids: Array,
        internet: Boolean
    },
    methods: {
        wifi_connect: function() {
            axios.get('/api/network/wifi/connect', { timeout: 60000 })
                .then(response => {
                    if (response.data.status) {
                        this.success = true
                        this.connecting = false
                        this.btnval = this.$t('wifi-select.wifi_connected')
                        setTimeout(() => router.push('generate-ap'), 1000);
                    } else {
                        this.btnval = this.$t('wifi-select.wifi_not_connected')
                        this.connecting = false
                    }
                })
                .catch(error => {
                    console.log(error)
                });
        },
        wifi_setup: function() {
            if (this.ssid.length && this.password.length >= 8 ){
                axios.post('/api/network/wifi/setup', { ssid: this.ssid, password: this.password }, { timeout: 60000 })
                    .then(response => {
                        if(response.data.status) {
                            this.connecting = true
                            this.wifi_connect()
                        } else {
                            console.log(response.data.message)
                        }
                    })
                    .catch(error => {
                        console.log(error)
                    });
            }
        },
        force_ap: function() {
            router.push({ name: 'generate-ap' });
        },
        onChange(input) {
            this.input = input
            this.password = this.input;
        },
        onKeyPress(button) {
            if (button == "{enter}") 
                this.keyboard = false
        },
        onInputChange(input) {
            this.input = input.target.value;
        },
        append_ssids: function(networks) {
            this.ssids = networks
        },
        refresh_wifi_list: function(){
            this.refreshing = true
            axios.get('/api/network/wifi/list', { timeout: 10000 })
            .then(response => { 
                this.refreshing = false
                this.append_ssids(response.data.networks)
            }).catch(error => {
                this.refreshing = false
                console.log(error)
            });
        }
    },
    created: function() {

        this.have_internet = (this.internet) ? true : false
        this.keyboard = false

        if (typeof this.list_ssids == 'object' && this.list_ssids.length != 0){
            this.ssids = this.list_ssids
        } else {
            this.refresh_wifi_list()
        } 
    }
}
</script>
